Global Patent Index - EP 3902106 A4

EP 3902106 A4 20221130 - GLUE LAMINATION CORE AND METHOD FOR MANUFACTURING SAME, AND ROTATING ELECTRICAL MACHINE

Title (en)

GLUE LAMINATION CORE AND METHOD FOR MANUFACTURING SAME, AND ROTATING ELECTRICAL MACHINE

Title (de)

KLEBSTOFFLAMINIERKERN UND VERFAHREN ZU SEINER HERSTELLUNG UND ROTIERENDE ELEKTRISCHE MASCHINE

Title (fr)

NOYAU FEUILLETÉ-COLLÉ ET SON PROCÉDÉ DE FABRICATION AINSI QUE MACHINE ÉLECTRIQUE ROTATIVE

Publication

EP 3902106 A4 20221130 (EN)

Application

EP 19898326 A 20191217

Priority

  • JP 2018235871 A 20181217
  • JP 2019049316 W 20191217

Abstract (en)

[origin: EP3902106A1] An adhesively-laminated core includes: a plurality of electrical steel sheets which are stacked on each other and of which both surfaces are coated with an insulation coating; and an adhesion part which is provided between the electrical steel sheets adjacent to each other in a stacking direction and adheres the electrical steel sheets to each other, wherein an adhesive forming the adhesion part contains an organic resin and an inorganic filler, wherein a 50% particle size of the inorganic filler is 0.2 to 3.5 µm, wherein a 90% particle size of the inorganic filler is 10.0 µm or less, and wherein an amount of the inorganic filler is 5 to 50 parts by mass with respect to 100 parts by mass of the organic resin.

IPC 8 full level

H02K 1/04 (2006.01); B32B 7/12 (2006.01); B32B 15/01 (2006.01); C08G 59/62 (2006.01); C09J 163/00 (2006.01); C09J 163/10 (2006.01); H01F 3/02 (2006.01); H01F 27/24 (2006.01); H01F 27/245 (2006.01); H01F 41/02 (2006.01); H02K 1/18 (2006.01); H02K 1/30 (2006.01); H02K 15/02 (2006.01); B21D 28/22 (2006.01); H02K 1/28 (2006.01)

CPC (source: EP KR US)

B32B 7/14 (2013.01 - EP); B32B 15/043 (2013.01 - EP); B32B 15/18 (2013.01 - EP); C08G 59/621 (2013.01 - EP); C09J 11/04 (2013.01 - US); C09J 163/00 (2013.01 - EP); C09J 163/10 (2013.01 - EP); H01F 3/02 (2013.01 - EP); H01F 27/245 (2013.01 - KR US); H01F 41/02 (2013.01 - KR); H01F 41/0233 (2013.01 - EP US); H02K 1/04 (2013.01 - EP KR US); H02K 1/18 (2013.01 - EP KR US); H02K 1/28 (2013.01 - EP); H02K 1/30 (2013.01 - KR US); H02K 15/02 (2013.01 - EP KR US); B21D 28/22 (2013.01 - EP); B32B 2250/05 (2013.01 - EP); B32B 2255/06 (2013.01 - EP); B32B 2255/20 (2013.01 - EP); B32B 2255/26 (2013.01 - EP); B32B 2255/28 (2013.01 - EP); B32B 2307/202 (2013.01 - EP); B32B 2307/208 (2013.01 - EP); B32B 2457/00 (2013.01 - EP); H02K 2213/03 (2013.01 - EP); Y02T 10/64 (2013.01 - KR)

C-Set (source: EP)

  1. C09J 163/10 + C08K 3/20
  2. C09J 163/10 + C08K 3/34

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3902106 A1 20211027; EP 3902106 A4 20221130; BR 112021007898 A2 20210803; CA 3131693 A1 20200625; CA 3131693 C 20231114; CN 113056859 A 20210629; EA 202192060 A1 20211231; JP 7207429 B2 20230118; JP WO2020129951 A1 20210927; KR 102583082 B1 20230927; KR 20210075179 A 20210622; SG 11202108984X A 20210929; TW 202030746 A 20200816; TW I709982 B 20201111; US 11742129 B2 20230829; US 2021398734 A1 20211223; WO 2020129951 A1 20200625

DOCDB simple family (application)

EP 19898326 A 20191217; BR 112021007898 A 20191217; CA 3131693 A 20191217; CN 201980075988 A 20191217; EA 202192060 A 20191217; JP 2019049316 W 20191217; JP 2020561446 A 20191217; KR 20217014804 A 20191217; SG 11202108984X A 20191217; TW 108146210 A 20191217; US 201917292048 A 20191217